I am stuck trying to understand a-c load flow for the 3 bus system shown in the figure. You should assume that bus 3 isthe slack bus and that the power base is 100 MVA. That is, find the voltage angles01, 02, 03 at all the buses and the input real power P3 at bus 3. Then find the realpower flows P12, P23, P31 on all three lines.(b) Now assume that the load on bus 2 increases to 120 MW. Recalculate the loadflow and the flows on the three lines. (You can use superposition if you want.)(c) Now assume that the load on bus 2 is changed back to its original value of 100MW. Power systems are operated so that any single contingency in a contingencylist can happen and the system will still operate within limits. Suppose that thecontingency list is the outage of generator 1, the outage of line 1-2, and the outageof line 2-3. What are the minimum line flow limits for all three lines for whichthe system stays within these limits for the base case and for each of the threecontingencies? Bus 1Bus 2X12 = 0.2 per unit100 MW65 MWX23= 0.25 per unitX13= 0.4 per unitBus 3 (reference)FIG. 4.10 Three-bus network.(3)(a) First find the bus susceptance matrix, and then set up and solve the DC

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load flow for the 3 bus system shown in the figure. You should assume that bus 3 is the slack bus and that the power base is 100 MVA. That is, find the voltage angles 01,02,03 at all the buses and the input real power P3 at bus 3. Then find the real power flows P12, P23, P31 on all three lines.

load flow for the 3 bus system shown in the figure. You should assume that bus 3 is the slack bus and that the power base is 100 MVA. That is, find the voltage angles 01,02,03 at all the buses and the input real power P3 at bus 3. Then find the real power flows P12, P23, P31 on all three lines.

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter2: Fundamentals

Section: Chapter Questions

Problem 2.35P

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